On Tue, Jul 21, 2015 at 04:04:42PM +0530, Archit Taneja wrote: > Some controllers can access the factory bad block marker from OOB only > when they read it in raw mode. When ECC is enabled, these controllers > discard reading/writing bad block markers, preventing access to them > altogether. > > The bbt driver assumes MTD_OPS_PLACE_OOB when scanning for bad blocks. > This results in the nand driver's ecc->read_oob() op to be called, which > works with ECC enabled. > > Create a new BBT option flag that tells nand_bbt to force the mode to > MTD_OPS_RAW. This would result in the correct op being called for the > underlying nand controller driver. > > Signed-off-by: Archit Taneja <architt@xxxxxxxxxxxxxx> > --- Reviewed-by: Andy Gross <agross@xxxxxxxxxxxxxx> -- Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
